WebFor example, resistance to jassids in cotton and cereal leaf beetles in wheat. Solid stems in wheat lead to non-preference by the stem saw fly and smooth leaved and nectar-less cotton varieties does not attract bollworms. Low nitrogen, sugar and high aspartic acid in maize develops resistance to maize stem borers. WebThe important characters that lead to pest resistance are: (i) Hairy leaves in plants. For example, resistance to jassids in cotton and cereal leaf beetle in wheat. (ii) Solid stem in wheat exhibits non-preference by stem sawfly. (iii) In cotton, smooth leaf and absence of nectar repel bollworms.
(PDF) Cultivar Preferences of Ovipositing Wheat Stem Sawflies as ...
WebIn wheat, solid stem lead to 1. Nonpreference by the stem sawfly 2. Preference by the stem sawfly 3. Non-preference by the bollworms 4. Preference by the bollworms Strategies for Enhancement in Food Production Botany (2024) Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, … WebIn wheat, solid stem lead to 1. Nonpreference by the stem sawfly 2. Preference by the stem sawfly 3. Non-preference by the bollworms 4. Preference by the bollworms Strategies for Enhancement in Food Production Botany Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT … smallbone of devizes cabinet price
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WebJul 18, 2024 · Abstract and Figures. Stem solidness is an important agronomic trait for increasing the ability of wheat to resist lodging. In this study, four new synthetic hexaploid wheat with solid stems were ... Webof stem solidness in crosses between varieties of T. polonicum, T. durum, and T. turgidum. DE GoYTI,A y ANcur.o {1935) studying the cross • Cappelli • x • Obi spado •, a solid stemm~d durum wheat variety, presented a two-factor hypotesis, in which stem hollowness of • Cappelli • was regarded as partially dominant. WebFeb 13, 2024 · Solid stem in wheat exhibits non-preference by the stem sawfly. The morphological, biochemical, or physiological characteristics of host agricultural plants … small bone of leg