JPH0257111A - Method for improving germination of seed - Google Patents
Method for improving germination of seedInfo
- Publication number
- JPH0257111A JPH0257111A JP20683288A JP20683288A JPH0257111A JP H0257111 A JPH0257111 A JP H0257111A JP 20683288 A JP20683288 A JP 20683288A JP 20683288 A JP20683288 A JP 20683288A JP H0257111 A JPH0257111 A JP H0257111A
- Authority
- JP
- Japan
- Prior art keywords
- seed
- seeds
- treatment
- ethylene
- germination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000035784 germination Effects 0.000 title abstract description 31
- 238000011282 treatment Methods 0.000 claims abstract description 31
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000005977 Ethylene Substances 0.000 claims abstract description 21
- 230000003204 osmotic effect Effects 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 230000002745 absorbent Effects 0.000 abstract description 5
- 239000002250 absorbent Substances 0.000 abstract description 5
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 abstract description 3
- 229930195725 Mannitol Natural products 0.000 abstract description 3
- 239000000594 mannitol Substances 0.000 abstract description 3
- 235000010355 mannitol Nutrition 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 3
- 235000000346 sugar Nutrition 0.000 abstract description 3
- 239000002202 Polyethylene glycol Substances 0.000 abstract description 2
- 229920001223 polyethylene glycol Polymers 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- 229910017053 inorganic salt Inorganic materials 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 244000000626 Daucus carota Species 0.000 description 6
- 235000002767 Daucus carota Nutrition 0.000 description 6
- 241000208822 Lactuca Species 0.000 description 6
- 235000003228 Lactuca sativa Nutrition 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000002357 osmotic agent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- UDPGUMQDCGORJQ-UHFFFAOYSA-N (2-chloroethyl)phosphonic acid Chemical compound OP(O)(=O)CCCl UDPGUMQDCGORJQ-UHFFFAOYSA-N 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000005976 Ethephon Substances 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- 230000011890 leaf development Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
- 150000008163 sugars Chemical class 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 240000007087 Apium graveolens Species 0.000 description 1
- 235000015849 Apium graveolens Dulce Group Nutrition 0.000 description 1
- 235000010591 Appio Nutrition 0.000 description 1
- 240000005528 Arctium lappa Species 0.000 description 1
- 235000003130 Arctium lappa Nutrition 0.000 description 1
- 235000008078 Arctium minus Nutrition 0.000 description 1
- 235000008534 Capsicum annuum var annuum Nutrition 0.000 description 1
- 240000008384 Capsicum annuum var. annuum Species 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 240000008415 Lactuca sativa Species 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 240000009164 Petroselinum crispum Species 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 235000002597 Solanum melongena Nutrition 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 235000011197 perejil Nutrition 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- SFKTYEXKZXBQRQ-UHFFFAOYSA-J thorium(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Th+4] SFKTYEXKZXBQRQ-UHFFFAOYSA-J 0.000 description 1
Landscapes
- Pretreatment Of Seeds And Plants (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は種子、特にコーティング種子の発芽率や発芽速
度を向上させる方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for improving the germination rate and speed of seeds, particularly coated seeds.
〈従来の技術〉
近年、野菜などの栽培において、施設栽培の規模拡大に
伴って省力化や生育の安定化を計るための精密機械播種
にコーティング種子が利用されている。<Conventional Technology> In recent years, coated seeds have been used in precision mechanical sowing to save labor and stabilize growth in the cultivation of vegetables and other crops as the scale of facility cultivation has expanded.
〈発明が解決しようとする課題〉
しかしながら、種子は採種される際の気象条件や採種技
術、種子固有の特性等により発芽率や発芽速度に変動を
生じやすく、優れた発芽性能を有する種子を安定して得
ることは困難である。<Problem to be solved by the invention> However, the germination rate and germination speed of seeds tend to fluctuate depending on the weather conditions when they are collected, the seed collection technique, the unique characteristics of seeds, etc., and it is difficult to stably produce seeds with excellent germination performance. It is difficult to get there.
更に、発芽性能の不安定な種子を天然鉱物等でコーティ
ングした種子は、その被覆により、裸種子以上に発芽性
能が不安定になりやすい。Furthermore, seeds with unstable germination performance that are coated with natural minerals are more likely to have unstable germination performance than bare seeds due to the coating.
特に、近年間引き労力を低減させるために、−粒播きに
適した付加価値の高いコーティング種子が必要とされる
ようになり、そのための発芽改良処理が必要とされてい
る。In particular, in recent years, in order to reduce pulling labor, coated seeds with high added value suitable for grain sowing have become necessary, and germination improvement treatments for this purpose are required.
〈課題を解決するための手段〉
本発明者らは、コーティング種子の発芽率を向上させる
方法について鋭意検討した結果、種子をコートするに先
立って、浸透圧処理とエチレンまたはエチレン発生剤処
理との両方の処理を行うことにより、コーティング種子
の発芽率と発芽速度が向上し、発芽が促進されることを
見出し本発明に至った。<Means for Solving the Problems> As a result of extensive research into methods for improving the germination rate of coated seeds, the present inventors have determined that prior to coating the seeds, a combination of osmotic pressure treatment and ethylene or ethylene generator treatment has been developed. The inventors have discovered that by performing both treatments, the germination rate and germination speed of coated seeds are improved and germination is promoted, leading to the present invention.
本発明において、浸透圧処理とは、種子を硝酸塩、燐酸
塩、塩化物等の無機塩類、マニトール、ソルビトール等
の糖類、ポリエチレングリコール等の高分子化合物など
の浸透圧剤の水溶液で処理することである。このとき、
処理濃度は、通常無機塩類で01〜10重量%、好まし
くは1〜4重景%、糖類または高分子化合物で1〜20
重量%、好ましくは2〜10重量%、である。In the present invention, osmotic treatment refers to treating seeds with an aqueous solution of osmotic agents such as inorganic salts such as nitrates, phosphates, and chlorides, sugars such as mannitol and sorbitol, and polymeric compounds such as polyethylene glycol. be. At this time,
The treatment concentration is usually 0.1 to 10% by weight for inorganic salts, preferably 1 to 4% by weight, and 1 to 20% for sugars or polymer compounds.
% by weight, preferably 2 to 10% by weight.
また、エチレン発生剤としては、例えば2クロロエチル
ホスホン酸(エテホン)が挙げられ、エチレン処理の場
合処理濃度は通常0.1〜100 ppm、好ましくは
1〜50ppm、エテホン処理の場合処理濃度は通常0
.1〜11000pp、好ましくは100〜500pp
mである。Further, examples of the ethylene generator include 2chloroethylphosphonic acid (ethephon), and in the case of ethylene treatment, the treatment concentration is usually 0.1 to 100 ppm, preferably 1 to 50 ppm, and in the case of ethephon treatment, the treatment concentration is usually 0
.. 1-11000pp, preferably 100-500pp
It is m.
上記の浸透圧処理とエチレンまたはエチレン発生剤処理
とは、通常同時に行われ、その処理時間は対象種子によ
り異なるが、通常1時間〜10日間、好ましくは5時間
〜3日間である。The above-mentioned osmotic pressure treatment and ethylene or ethylene generator treatment are usually performed simultaneously, and the treatment time varies depending on the target seed, but is usually 1 hour to 10 days, preferably 5 hours to 3 days.
また、処理温度は15〜35°Cの範囲が好ましい。Further, the treatment temperature is preferably in the range of 15 to 35°C.
更に、エチレンまたはエチレン発生剤処理の際に、炭酸
ガスが存在しないことが好ましく、そのため、例えば処
理方法としては、所定濃度の浸透圧剤で湿潤させた種子
を容器に密封し、該容器内には炭酸ガス吸収剤として水
酸化す1−リウム等の水酸化アルカリ水溶液を別容器に
入れておき、所定濃度のエチレンを外部から注入すれば
よい。また、エチレン発生剤を用いる場合は、例えば所
定濃度のエテホンおよび浸透圧剤の水溶液で種子を湿潤
させ、上記と同様に炭酸ガス吸収剤を入れた容器と共に
密封ずればよい。Furthermore, it is preferable that carbon dioxide gas not be present during the treatment with ethylene or an ethylene generator. Therefore, for example, as a treatment method, seeds moistened with an osmotic agent at a predetermined concentration are sealed in a container, and the seeds are placed in the container. Alternatively, an aqueous alkali hydroxide solution such as 1-lium hydroxide as a carbon dioxide absorbent may be placed in a separate container, and ethylene at a predetermined concentration may be injected from the outside. In addition, when using an ethylene generator, the seeds may be moistened with an aqueous solution of ethephon and an osmotic agent at a predetermined concentration, for example, and sealed together with a container containing a carbon dioxide absorbent in the same manner as above.
以上の処理を行った種子は、例えば特開昭581874
8号公報等に記載の通常の方法で被覆成形されてコーテ
ィング種子となる。本発明の処理方法が適用される種子
としては、例えばレタス、ゴボウ、ニンジン、セロリ、
パセリ、ナス、ピーマン、トマト等の野菜種子が挙げら
れる。Seeds subjected to the above treatment are, for example, disclosed in Japanese Patent Application Laid-open No. 581874.
The seeds are coated and molded by the usual method described in Publication No. 8, etc. to obtain coated seeds. Examples of seeds to which the treatment method of the present invention is applied include lettuce, burdock, carrot, celery,
Examples include vegetable seeds such as parsley, eggplant, green pepper, and tomato.
尚、本発明の処理方法を種子に施すことによる、発芽直
後から木葉展開期の植物体の異常性は全く認められない
。By applying the treatment method of the present invention to seeds, no abnormality is observed in the plants from immediately after germination to the stage of leaf development.
〈実施例〉
以下、本発明を加工例および試験例にて説明するが、本
発明は下記の例のみに限定されるものではない。<Example> The present invention will be explained below using processing examples and test examples, but the present invention is not limited to the following examples.
加工例ル
レタス (Lactuca 5ativa L、)種子
に15〜20°Cで、浸透圧剤としてマニトール1ff
ii%、エチレン1 ppmの濃度で同時に処理した。Processing example Lettuce (Lactuca 5ativa L.) seeds were treated with 1ff of mannitol as an osmotic agent at 15-20°C.
ii% and ethylene at a concentration of 1 ppm.
処理中、炭酸ガス吸収剤として0.2Nの水酸化すトリ
ウムを入れた容器を密封した。処理中の温度は15〜2
0゛Cで、処理時間は16時間であった。この後、種子
を特開昭5818748号公報に記載の手法に従ってヨ
ー1〜加工した。During the treatment, a container containing 0.2N thorium hydroxide as a carbon dioxide absorbent was sealed. The temperature during processing is 15-2
At 0°C, treatment time was 16 hours. Thereafter, the seeds were processed according to the method described in JP-A-5818748.
加工例2
実施例1と同様に、但しエチレンの処理濃度をlppm
のかわりにtopp+nとしてレタス種子をコート加工
した。Processing Example 2 Same as Example 1, except that the processing concentration of ethylene was changed to lppm.
Instead, lettuce seeds were coated as topp+n.
加工例3
ニンジン(Daucas carrota L、)種子
に浸透圧剤として硝酸カリウム5重量%、エチレン10
ppmの濃度で同時に処理した。処理中、炭酸ガス吸収
剤として0.2Nの水酸化カリウムを入れた容器を密封
した。処理中の温度は15〜25゛Cで、処理時間は3
日間であった。Processing Example 3 Carrot (Daucas carrota L.) seeds were added with 5% by weight of potassium nitrate and 10% of ethylene as an osmotic agent.
They were treated simultaneously at a concentration of ppm. During the treatment, a container containing 0.2N potassium hydroxide as a carbon dioxide absorbent was sealed. The temperature during treatment was 15-25°C, and the treatment time was 3
It was for days.
この後、種子を特開昭58−18748号公報に記載の
手法に従ってコート加工した。Thereafter, the seeds were coated according to the method described in JP-A-58-18748.
加工例4
実施例2と同様に、但しエチレンの処理濃度を10pp
mのかわりに100 ppm としてニンジン種子をコ
ート加工した。Processing Example 4 Same as Example 2, except that the processing concentration of ethylene was 10pp.
Carrot seeds were coated with 100 ppm instead of m.
試験例1
加工例1および加工例2で得たコーティング種子と無処
理採種子および無処理種子をコティングした無処理コー
ティング種子とを用いて、国際種子検査規定に基づき、
シャーし内の発芽試験を行った。その結果を第1表およ
び第2表に示す。Test Example 1 Using the coated seeds obtained in Processing Example 1 and Processing Example 2, untreated seeds, and untreated coated seeds coated with untreated seeds, based on the international seed inspection regulations,
A germination test was conducted in a cage. The results are shown in Tables 1 and 2.
第1表 レタスの発芽率(15’c)第2表 レタスの発芽率(35°C) ティング種子に比べて1.5〜2日発芽が速められた。Table 1 Germination rate of lettuce (15’c) Table 2 Germination rate of lettuce (35°C) Germination was accelerated by 1.5 to 2 days compared to Ting seeds.
また、レタス種子に二次休眠が誘導される発芽温度領域
である35°Cでは、無処理裸種子の発芽率が0〜40
%であるのに対して、加工例1および加工例2で得たコ
ーティング種子は95〜100%の発芽率を示した。尚
、これらのコーティング種子は、発芽直後から木葉展開
期の植物体の異常性は全く認められなかった。In addition, at 35°C, which is the germination temperature range where secondary dormancy is induced in lettuce seeds, the germination rate of untreated bare seeds was 0 to 40°C.
%, whereas the coated seeds obtained in Processing Example 1 and Processing Example 2 showed a germination rate of 95 to 100%. In addition, in these coated seeds, no abnormalities were observed in the plants from immediately after germination to the stage of leaf development.
試験例2
加工例3および加工例4で得たコーティング種子と無処
理裸種子および無処理種子をコーティングした無処理コ
ーティング種子とを用いて、国際種子検査規定に基づき
、シャレ内の発芽試験を行った。その結果を第3表およ
び第4表に示す。Test Example 2 Using the coated seeds obtained in Processing Example 3 and Processing Example 4, untreated bare seeds, and untreated coated seeds obtained by coating untreated seeds, a germination test was conducted in a laboratory based on the international seed inspection regulations. Ta. The results are shown in Tables 3 and 4.
加工例1および加工例2で得たコーティング種子ば15
°Cの発芽温度において通常の無処理裸種子に比べて1
〜1.5日、無処理コ第3表
ニンジンの発芽率(15”C)
第4表
ニンジンの発芽率(35°C)
芽が速められた。また、発芽率は、通常の無処理裸種子
と同等以上で85〜90%の発芽率を示した。尚、これ
らのコーティング種子は、発芽直後から木葉展開期の植
物体の異常性は全く認められなかった。Coated seeds obtained in Processing Example 1 and Processing Example 2 15
1 compared to normal untreated bare seeds at germination temperature of °C.
~1.5 days, germination rate of untreated carrots Table 3 Germination rate of carrots (15”C) Table 4 Germination rate of carrots (35°C) Germination rate was accelerated. It showed a germination rate of 85 to 90%, which was equal to or higher than that of seeds.In addition, no abnormalities were observed in the plants of these coated seeds from immediately after germination to the stage of leaf development.
〈発明の効果〉
本発明の種子処理方法により、コーティング種子の発芽
が改良された。<Effects of the Invention> Germination of coated seeds was improved by the seed treatment method of the present invention.
Claims (3)
との両方の処理を行った種子を被覆成形することを特徴
とするコーティング種子の製造法。(1) A method for producing coated seeds, which comprises coating and molding seeds that have been treated with both osmotic pressure treatment and ethylene or ethylene generator treatment.
るコーティング種子。(2) Coated seeds produced by the method according to claim 1.
との両方の処理を行った種子。(3) Seeds that have been treated with both osmotic pressure treatment and ethylene or ethylene generator treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20683288A JP2661170B2 (en) | 1988-08-19 | 1988-08-19 | Method for improving seed germination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20683288A JP2661170B2 (en) | 1988-08-19 | 1988-08-19 | Method for improving seed germination |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0257111A true JPH0257111A (en) | 1990-02-26 |
JP2661170B2 JP2661170B2 (en) | 1997-10-08 |
Family
ID=16529810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20683288A Expired - Lifetime JP2661170B2 (en) | 1988-08-19 | 1988-08-19 | Method for improving seed germination |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2661170B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005095066A (en) * | 2003-09-25 | 2005-04-14 | Sumitomo Chemical Co Ltd | Method for improving germination of seed, germination-improved seed, coated seed and germination-improving agent |
JP2009202279A (en) * | 2008-02-27 | 2009-09-10 | Nachi Fujikoshi Corp | Sludge collecting device |
-
1988
- 1988-08-19 JP JP20683288A patent/JP2661170B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005095066A (en) * | 2003-09-25 | 2005-04-14 | Sumitomo Chemical Co Ltd | Method for improving germination of seed, germination-improved seed, coated seed and germination-improving agent |
JP4490664B2 (en) * | 2003-09-25 | 2010-06-30 | 住友化学株式会社 | Seed germination improvement method, germination improvement seed, coating seed and germination improvement agent |
JP2009202279A (en) * | 2008-02-27 | 2009-09-10 | Nachi Fujikoshi Corp | Sludge collecting device |
Also Published As
Publication number | Publication date |
---|---|
JP2661170B2 (en) | 1997-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4380626A (en) | Hormonal plant growth regulator | |
Khan et al. | Induction of secondary dormancy in Chenopodium bonus-henricus L. seeds by osmotic and high temperature treatments and its prevention by light and growth regulators | |
Hopkins | Relation of low temperatures to respiration and carbohydrate changes in potato tubers | |
EP0364624A1 (en) | Multilayer degradable and controlled release of multinutrient mulch film and process for preparing same | |
Esashi et al. | Possible involvement of the alternative respiration system in the ethylene-stimulated germination of cocklebur seeds | |
Khan et al. | Kinetin enhanced 1-aminocyclopropane-1-carboxylic acid utilization during alleviation of high temperatures stress in lettuce seeds | |
JPH0856423A (en) | Method for improving germination of solanaceous seed | |
Durrant et al. | Some effects of sodium chloride on germination and seedling growth of sugar beet | |
JPH0257111A (en) | Method for improving germination of seed | |
SE9402200D0 (en) | Seed treatment using phosphoric acid or one of its salts and thus treated seeds | |
JP3617912B2 (en) | Plant growth promoter | |
Chrominski et al. | Ethylene and ethane production in response to salinity stress | |
JPWO2005094557A1 (en) | Method for improving sugar content and increasing yield of plants by absorbing hydrogen peroxide from roots | |
Wang et al. | Internal ethylene levels during ripening and climacteric in Anjou pears | |
Ballard et al. | Evaluation of soil testing methods for predicting growth and response of Pinus elliottii to phosphorus fertilization | |
JPH09208351A (en) | Production of liquid fertilizer | |
JPH0870624A (en) | Improvement of germination of seed of family umbelliferae | |
US2416198A (en) | Growth promoting substances | |
CN108703038A (en) | A kind of cultivation of fruit tree Nutrition Soil and preparation method thereof | |
Saenjan et al. | Methane fluxes and rice yields as a function of sulfate fertilizer with incorporated rice stubble | |
Gericke | Why applications of nitrogen to land may cause either increase or decrease in the protein content of wheat | |
Bandino et al. | Germination of olive seeds as affected by chemical scarification, hot water dip, and gibberellic acid treatments | |
JPS5912082B2 (en) | Plant Boring Inhibition Composition | |
Vadivelu et al. | Depth of slickenside occurrence in Vertisols | |
KR0139426B1 (en) | Ethylene generating material for stimulating after-ripening of fruits and method for using thereof |