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	1. Recovery Measures and Field Management Strategies After Hailstone Damage in Upland Cotton
	NIE Hushuai#,SU Ying#,LI Le,DAI Maohua,WANG Dingwei,SU Beibei,XIAO Feng,HUA Jinping
	Agronomy 19 November 2021
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	Abstract:Hailstorm might damage cotton plants severely and cause heavy economic loss in field production. It occurred often in Yellow River Basin Cotton Region and Northwest Inland Cotton Area in China. In 2015 and 2016, there were three times\' hailstorm damaged our field experiments of upland cotton (Gossypium hirsutum L.) in Hebei Province during seedling and bud periods. To reduce losses, we started the study to evaluate the damage effects of hailstone on plant architecture, and performed serials strategies to recover the plants and to rescue the experiments. Based on evaluating the hailstone damage, we fertilized 112.50 kg/ha Urea fertilizer (N content ≥ 46.4%) and intertilled the field timely. The recovery of plant individuals sprouted new buds and many new leaves after 12 DAH. Then the unnecessary shoots were pruned to adjust the development of fruit branches. Normally three new sympodia branches (NSB) in the major stem were reserved and eight subsequent emerging boll branches (EBB) in cotton plants. Five accessions with varied recovery ability and different yield potential were sampled to compare the yield and quality after hail damage. Among them, Sumian 20, 11-0710 and 11-0516 increased, while the other two accessions decreased relative to the normal production without hail damage. BC and RIL populations of upland cotton were used to evaluate the damage ratio of yield and quality, which resulted in yield loss ranged 13.45%-20.27%. Fiber length, fibre elongation, fibre uniformity, and fiber strength decreased slightly in the five accessions and two populations. These results proved that the cotton plants can compensate by proper field managements, and remedial output could be obtained after hail damage.
	TO cite this article:NIE Hushuai#,SU Ying#,LI Le, et al. Recovery Measures and Field Management Strategies After Hailstone Damage in Upland Cotton[OL].[19 November 2021] http://en.paper.edu.cn/en_releasepaper/content/4755796


	2. The cytoplasmic effect on the floral morphology in upland cotton
	NIE Hushuai,HUA Jinping
	Agronomy 23 November 2020
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	Abstract:The genetic incompatibilities between nucleus and cytoplasm affect various important traits, such as fertile, yield, and cause extremely complex morphological variation of floral organs. Alloplasm directly regulates the fertility of plants and may result in male sterility. A set of alloplasmic lines, which derived from 12 cytoplasm backcrossing with 3 upland cotton inbred-lines for several successive generations, were used to investigate the effects of nuclear, cytoplasm, and nuclear-cytoplasmic interaction (NCI) on the morphology of flower organ. Observational data of floral traits, include anther numbers, bud length, bud width and stigma length, were measured based on repeat experiment and the analysis of variance (ANOVA) was performed to detect the differences. The results showed that the number of cotton anther was mainly determined by cytoplasm and environment, however, not significantly affected by nucleus. The length and width of bud were determined by nucleus, cytoplasm and nucleus-cytoplasmic interaction. The length of stigma was predominantly affected by nucleus and nucleus-cytoplasmic interaction. The results help us to understand more in genetic effects of cytoplasm.
	TO cite this article:NIE Hushuai,HUA Jinping. The cytoplasmic effect on the floral morphology in upland cotton[OL].[23 November 2020] http://en.paper.edu.cn/en_releasepaper/content/4753090


	3. Review: on maize grain harvest mechanization and its influencing factors
	Mukti Marasini,Zhang Guiping,Zhang Shunfeng,Guan Xia,Liu Yao,Zhang Fenglu
	Agronomy 15 July 2019
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	Abstract:Mechanically harvesting is important indicator of technology transformation in agricultural production, increase farm efficiency, income and productivity and solves the contradiction between labour shortage and maize production, but often increase the grain lost, ear lost and breakage percentage due to high grain moisture content at harvest which is the key problem of harvest mechanization in maize production. This paper reviewed relationship between the grain moisture content and its relation to grain filling, agronomy character and management, genetic character and environmental factor. The effect of moisture content on these factor and provide the possible way to increase the harvest mechanization also analyzed. The result provide a basis for increase maize mechanization harvest by selecting suitable varieties with the fast dehydration rate and adopt to the environmental condition. Improvement of maize varieties should done through the breading in concern of yield and quality, lodging resistance, fast dehydration rate and low moisture content at physical maturity.
	TO cite this article:Mukti Marasini,Zhang Guiping,Zhang Shunfeng, et al. Review: on maize grain harvest mechanization and its influencing factors[OL].[15 July 2019] http://en.paper.edu.cn/en_releasepaper/content/4749379


	4. The families Ruminococcaceae, Lachnospiraceae and Clostridiaceae are the dominant bacterial groups during reductive soil disinfestation
	HUANG Xinqi
	Agronomy 04 July 2017
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	Abstract:Reductive soil disinfestation (RSD), alternatively named as biological soil disinfestation or anaerobic soil disinfestation, is proven to be an environmentally

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