SLAG 发表于 2025-3-26 20:58:26

Rice (, L.): Guan 18 - an Improved Variety Through Anther Cultureenerally increased by 1125–1500kg/ha (Pan et al. 1982). Thus it can be seen that the development of hybrid rice is an effective way to raise the per unit area yield; the grain quality of hybrid rice, however, is still not very good and needs to be improved.

面包屑 发表于 2025-3-27 02:18:33

Litchi (, Sonn.): In Vitro Production of Haploid Plantsated in the Philippines. It is a large tree with small leaflets measuring only 2 – 5 cm. It produces long elliptical fruits and protruding prickles on the fruit surfaces. The short false integument covers only part of the seed, but is not edible.

放逐某人 发表于 2025-3-27 09:13:59

Book 1990so for the production of homozygous plants, they are needed in large numbers. The conventional methods employed by plant breeders for their production are cumbersome, time-consuming, laborious and rather inefficient. Sometimes it may take years to produce a pure line. However, with the introduction

轿车 发表于 2025-3-27 10:53:07

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ANTE 发表于 2025-3-27 16:47:25

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捕鲸鱼叉 发表于 2025-3-27 21:38:02

Y. P. S. Bajajes Flugzeugs im Raum kann auch nicht durch den Winkel . + . (= .) allein beschrieben werden; sondern es bedarf zweier Winkel, also einer weiteren Variablen, zur eindeutigen Festlegung. Dazu kommt als sechste Variable die Krümmung der Flugbahn in der Horizontalebene.

鸵鸟 发表于 2025-3-27 23:12:50

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Ornament 发表于 2025-3-28 04:30:32

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有其法作用 发表于 2025-3-28 08:49:08

Book 1990 sunflower, brassica, tobacco, etc. Among these, rice and wheat are the best examples in which a number of improved varieties have been released. In wheat, the breeding cycle can be shortened by three or four generations when the pollen haploid breeding method is used instead of conventional cross-b

seduce 发表于 2025-3-28 11:55:52

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查看完整版本: Titlebook: Haploids in Crop Improvement I; From Fundamentals to Y. P. S. Bajaj Book 1990 Springer-Verlag Berlin Heidelberg 1990 Embryo.Helianthus annu